Home / 2,220.27-3,330.41-1,232.63

Finding the Fourth Proportional to 2,220.27, 3,330.41 and 1,232.63

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Solution

The fourth proportional to 2,220.27, 3,330.41 and 1,232.63 is: 1,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.27 : 3,330.41 = 1,232.63 : x
  2. Step 2: Convert to fraction form
    2,220.27/3,330.41 = 1,232.63/x
  3. Step 3: Cross multiply
    2,220.27x = 3,330.41 × 1,232.63
  4. Step 4: Simplify right side
    2,220.27x = 4,105,163.28
  5. Step 5: Solve for x
    x = 4,105,163.28/2,220.27
  6. Step 6: Final answer
    x = 1,848.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.